Home / 191,200,640,305.88-263,880,020,921.64-108,821,429,173.28

Finding the Fourth Proportional to 191,200,640,305.88, 263,880,020,921.64 and 108,821,429,173.28

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Solution

The fourth proportional to 191,200,640,305.88, 263,880,020,921.64 and 108,821,429,173.28 is: 150,186,740,802.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,200,640,305.88 : 263,880,020,921.64 = 108,821,429,173.28 : x
  2. Step 2: Convert to fraction form
    191,200,640,305.88/263,880,020,921.64 = 108,821,429,173.28/x
  3. Step 3: Cross multiply
    191,200,640,305.88x = 263,880,020,921.64 × 108,821,429,173.28
  4. Step 4: Simplify right side
    191,200,640,305.88x = 28,715,801,006,967,894,310,912
  5. Step 5: Solve for x
    x = 28,715,801,006,967,894,310,912/191,200,640,305.88
  6. Step 6: Final answer
    x = 150,186,740,802.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.